Brown has gone green! UPS has become the first small package carrier to offer its customers the option of purchasing carbon offsets to counteract the CO2 emissi

More than 1,000 workers will study the environmental effects of energy production.

This month, scientists and tree lovers celebrate the 2nd birthday of a hybrid chestnut tree that may be a force in reducing the impacts of climate change.

A new website makes it super easy to help save the world, a little bit at a time.

Video: Sabrina Bryan and Robbie Amell give you their eco-tips.

mexico city public transit

Two new studies decipher who prefers which kind of car, revealing unexpected attitudes that challenge many assumptions.

As millennials turn away from driving and car ownership, will college students finally stop keeping cars on campus?

A new report from KPMG sees 500 billion annual miles from people who might have otherwise stayed home.

You can now get a charge out of its new go-anywhere GoCharger.

OK, the sound is more like "eeeeeee," but it's still exciting international action, and it's coming to the U.S. in March.

Seen at the Geneva Motor Show, this green family hauler doubles as an office.

how to sell electric cars

As CES proves, the gadgets are more important than the color and the trim package.

Low gas prices, and crossovers with 30 mpg, mean that only a quarter of hybrid and electric buyers are getting another one.

The British vacuum cleaner kingpin will invest nearly $3B in developing an electric vehicle by 2020.

Escaped camel, cow and donkey in Kansas are 'halfway towards a live nativity.'

Why not design our homes so that we can get at the things that need to be changed? That's the idea behind "Open Building".

With its edible veggie walls and lack of traditional HVAC systems, Carbon Positive House aims to "free us of modern day lifelines."

There are many different types of staircases that can make your home a more efficient, safer and even a more attractive place.

SwimCity is a housing concept for young Swedes who don't mind donning goggles or hopping in a canoe as part of their commute.

Just ask Jenna and Guillaume, who quit their 9-to-5 jobs to pursue their dream of touring North America in a custom-built tiny house.

To go net-zero it's better to try and reduce demand than to increase supply. Here are some very good places to start.

Photographer Richard Silver captures the surreal ambience of the "blue hour" with these beautifully spliced landscape images.

A tour of the Bullitt Center in Seattle confirms that it's as green as it can be.

Beauty abounds in the weather-warped details of Dwell Development's latest net-zero residence.

The after-school carpentry wizards at Sawhorse Revolution have big, community-bettering plans for micro-housing.

In rural stretches of Connecticut and Tennessee, two nature-surrounded retreats built for retirees.

Forget Pat Conroy ... nothing says 'summer reading' like upcycling bibles and tiny house memoirs.

James Furzer's simple design is still situated on the streets — yet lifted slightly above them.

Don't want to live in it anymore? Just covert it into a drive-through shaved ice stand.

Resilient design is showcased in competing homes hailing from New York, New Jersey and Missouri.

UC Davis students conceive a 'deliberate solution' to substandard farm worker housing.

A solar-powered home that can charge a car is one thing. But what if power flowed the other way, as well?

At 208-square-feet, Kasita smart apartments are roughly the size of 6 garbage receptacles.

Why move to the woods when you can live in a tower that doubles as a coniferous forest?

How they can provide some space for the next generation as well.

Despite inherent flaws, House in the Tree is a fanciful fir-based escape.

New high-rise called Tao Zhu Yin Yuan (“ The Retreat of Tao Zhu”) by Vincent Callebaut provides luxury housing and 'hope for a better tomorrow' in Taiwan.

Faircompanies gives a tour of an unusual Omaha, Nebraska, dwelling that consists of three concrete domes tucked underground.

M.A.Di., a flat-pack tiny house from Italy, is a new take on a beloved classic.

Donut-shaped and parked at the foot of a glacier, the Snøhetta-designed Svart hotel in Norway is the first of its kind.

Assembled as a local factory, the prefab housing units will house over 200 people at 3 different sites.

This biophilic home owned by Gennaro Brooks-Church, founder of Eco Brooklyn Living Walls, is so green it boasts a turtle sanctuary.

Many well-known bird species are in danger of going extinct, according to the State of the World’s Birds 2018 report.

White Oak in Florida promotes conservation with innovative programs for animals (and the humans who want to see them.)

The Sisters of the Monastery of the Dominican of Order have cared for the rare salamanders for 150 years.

This report highlights 25 apes, monkeys, lemurs, lorises and other primates on the brink of extinction.

In Florida, not even the iconic Florida panther — the endangered state animal — is safe from new development.

U.S. Fish & Wildlife Service proposes letting states, tribes manage wolf populations, dropping endangered species status on the federal level.